Waiting for parts, edelbrock..
I believe I'd give these a shot
SCE Gaskets Copper Header Gaskets Stock Port Fits Dodge Sm Block Magnum Pair | eBay
or maybe these
Remflex 6004 Exhaust Gasket for Mopar V8 Engine, (Set of 2)
https://a.co/d/e4rbKnr
I've been running Percy's seal 4 good header gaskets for years and they're amazing.
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